Twenty students were surveyed about virtual and face-to-face classes. Twelve of them perferred face-to-face classes over virtual classes. What is a reasonable answer to how many would like face - to- face if 360 students were asked. Show your work !!!

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)